Compress AVIF Images Online — Free, No Upload
Next-generation image format based on the AV1 video codec. Offers superior compression to both WebP and JPEG. ImageSmith's free AVIF compressor reduces file sizes by 60–90% using advanced lossy compression, entirely in your browser. AVIF provides the best compression ratio of any mainstream web image format. Use with JPEG or WebP fallback for broad compatibility.
✓Up to 50% smaller than JPEG at equivalent perceptual quality
✓Better quality at low bitrates compared to WebP
✓Supports HDR, wide color gamut, and transparency
✓Growing browser support (Chrome 85+, Firefox 93+, Safari 16+)
Compress AVIF to a Specific Size
Other Format Compressors
When to Use AVIF
Use AVIF for maximum compression efficiency in modern browser environments where cutting-edge format support is available.
AVIF Compression FAQ
Upload your AVIF image to ImageSmith, set your target file size or quality percentage, and click Compress. Your compressed AVIF downloads instantly — no account and no watermark required.
AVIF is a lossy format. ImageSmith's quality slider lets you precisely control the quality-to-size trade-off. Quality settings of 75–85 are imperceptible to most viewers while reducing file size by 60–80%.
AVIF provides the best compression ratio of any mainstream web image format. Use with JPEG or WebP fallback for broad compatibility. ImageSmith uses a binary search algorithm to automatically find the highest quality setting that achieves your target file size.
Completely safe. ImageSmith runs entirely in your browser using the Canvas API. Your AVIF images never leave your device — zero server uploads.
There is no file size limit. ImageSmith processes AVIF images of any size locally in your browser. Larger images may take slightly longer, but there is no upload size cap imposed by our servers.